This is a wonderful checklist I found online. It should be used after direct instruction has been completed.
The first page explains the difference between credible/acceptable sources, biased sources, and sources that are not accountable to the truth.
Questions to help student evaluate bias in a text (By Folsoi and Phear)
Examples of credible and non-credible sources in lieu of activity or post activiy
The webpage below was designed for Ms. Liaw's students, who do an inquiry project on sugar consumption. After they completed a hands-on sort similar to the Padlet above, they had to sort look at the website on this page and identify whether or not they were credible. Here is a Schoology quiz that accompanies the sites on the site above. You can add it to your course.
EXAMPLES OF BIAS: Scroll this series of images comparing the treatment of the pregnancy's of Meghan Markle and Cate Middleton. It is a basic, yet disturbing, look at bias in reporting. It makes very clear what bias is to students who struggle with the concept.